Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855268 | Mixed pillared clays | — | 1989-08-08 |
| 4851048 | Structured kaolin pigment and process for manufacture thereof | J. Philip E. Jones, Jorge E. Salinas, Keryn N. Geho, Weyman H. Dunaway | 1989-07-25 |
| 4826536 | Structured kaolin pigments | E. Wayne Andrews | 1989-05-02 |
| 4820554 | Coated paper and process | J. Philip E. Jones | 1989-04-11 |
| 4818294 | Kaolinite aggregation using organo-silicon compounds | Joshua O. Brannen | 1989-04-04 |
| 4816074 | Kaolinite aggregation using sodium silicate | E. Wayne Andrews | 1989-03-28 |
| 4806167 | Kaolin aggregation using combination of organic and inorganic bases | — | 1989-02-21 |
| 4804527 | Method and composition for safely decomposing hydrazine | Bruce Tatarchuk | 1989-02-14 |